---
title: Avoid Using HTTP Referer Headers
description: "**Impact area** Security **Severity** high **Affected element** Apex Class ## Rule number **SF-AVOID-USING-HTTP-REFERER** ## Impact HTTP Referer headers can be modified by attackers. Making a decision based on the value of the referer can be dangerous. ## Remediation Remove the…"
url: "https://community-staging.qualityclouds.com/qcdocs/qc/salesforce-rules/avoid-using-http-referer-headers/"
updated: "2025-03-21"
category: Rules
---

# Avoid Using HTTP Referer Headers

**Impact area**

Security

**Severity**

high

**Affected element**

Apex Class

## Rule number

**SF-AVOID-USING-HTTP-REFERER**

## Impact

HTTP Referer headers can be modified by attackers. Making a decision based on the value of the referer can be dangerous.

## Remediation

Remove the HTTP Referer Headers.

### Time to fix

15 min